Home / 3,545.04-5,310.25-2,080.66

Finding the Fourth Proportional to 3,545.04, 5,310.25 and 2,080.66

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Solution

The fourth proportional to 3,545.04, 5,310.25 and 2,080.66 is: 3,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.04 : 5,310.25 = 2,080.66 : x
  2. Step 2: Convert to fraction form
    3,545.04/5,310.25 = 2,080.66/x
  3. Step 3: Cross multiply
    3,545.04x = 5,310.25 × 2,080.66
  4. Step 4: Simplify right side
    3,545.04x = 11,048,824.77
  5. Step 5: Solve for x
    x = 11,048,824.77/3,545.04
  6. Step 6: Final answer
    x = 3,116.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.